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孔内微差起爆降振技术在路堑开挖爆破中的应用 Title:ApplicationofInternalMicro-DelayDetonationVibrationControlTechnologyinExcavationBlastinginRoadCuttings Abstract: Roadcuttingsareanessentialpartofinfrastructuredevelopment,facilitatingtransportationconnectivityandurbanexpansion.Blastingiscommonlyemployedinroadcuttingprojectstoremovelargevolumesofrockandsoilefficiently.However,thevibrationsgeneratedduringblastingcanposeasignificantrisktonearbystructures,causingdamageanddiscomforttothesurroundingenvironment.Thispaperaimstoexploretheapplicationofinternalmicro-delaydetonationvibrationcontroltechnologyinexcavationblastinginroadcuttingstominimizetheadverseeffectsofvibrations. 1.Introduction 2.ImportanceofExcavationBlastinginRoadCuttings 3.ChallengesPosedbyVibrationinBlasting 4.InternalMicro-DelayDetonationVibrationControlTechnology 5.ApplicationofInternalMicro-DelayDetonationVibrationControlTechnologyinExcavationBlasting 5.1PreliminaryBlastingDesign 5.2BlastHoleDrilling 5.3ChargingandTimingofExplosives 5.4DetonationMode 6.AdvantagesofInternalMicro-DelayDetonationVibrationControlTechnology 6.1ReducedVibrationIntensity 6.2EnhancedBlastingEfficiency 6.3ImprovedSafetyforStructures 7.CaseStudies 7.1CaseStudy1:RoadCuttingProjectA 7.2CaseStudy2:RoadCuttingProjectB 8.EnvironmentalImpactAssessment 8.1SeismicEffects 8.2AirOverpressure 8.3FlyingRockDebris 9.MitigationMeasures 9.1StructuralReinforcement 9.2PerimeterMonitoring 9.3CommunityEngagement 10.Conclusion 1.Introduction Roadinfrastructureplaysapivotalroleineconomicdevelopmentandurbanization.Excavationblastingiscommonlyemployedduringroadcuttingprojectstoremovelargevolumesofrockandsoil.However,thevibrationsgeneratedduringblastingcanleadtostructuraldamage,discomfort,andsafetyconcernsfornearbyresidentsandstructures.Toaddressthesechallenges,theapplicationofinternalmicro-delaydetonationvibrationcontroltechnologyhasgainedprominenceinrecentyears. 2.ImportanceofExcavationBlastinginRoadCuttings Excavationblastingisvitalinroadcuttingprojectsasitoffersanefficien